.dragbox-area {
    position: relative;
}
/*拖动时鼠标样式*/
.moveingpointer {
    cursor: pointer;
}
/*拖动时拖快样式*/
.dragbox-area .active {
    position: absolute;
    border: solid 1px red;
    z-index: 1000;
}
/*拖动时拖快副本样式*/
.dragbox-area .copyactive {
    background: #cdcdcd;
    margin-bottom: 10px;
}
.target {
    width: 80px;
    height: 30px;
    background: #336699;
    margin-bottom: 10px;
}
.box {float:left; width:300px; height:300px; background-color:silver; margin-left:1px;}